Manually operable straw



FIG. 1 is a front elevational view of a manually operable straw showing my new design;

FIG. 2 is a bottom plan view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a left side elevation view thereof. 

The ornamental design for a manually operable straw, as shown and described. 